diff options
Diffstat (limited to 'kvmd/helpers/unlock/__init__.py')
-rw-r--r-- | kvmd/helpers/unlock/__init__.py | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/kvmd/helpers/unlock/__init__.py b/kvmd/helpers/unlock/__init__.py deleted file mode 100644 index 140e0e7c..00000000 --- a/kvmd/helpers/unlock/__init__.py +++ /dev/null @@ -1,58 +0,0 @@ -# ========================================================================== # -# # -# KVMD - The main PiKVM daemon. # -# # -# Copyright (C) 2018-2022 Maxim Devaev <[email protected]> # -# # -# This program is free software: you can redistribute it and/or modify # -# it under the terms of the GNU General Public License as published by # -# the Free Software Foundation, either version 3 of the License, or # -# (at your option) any later version. # -# # -# This program is distributed in the hope that it will be useful, # -# but WITHOUT ANY WARRANTY; without even the implied warranty of # -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # -# GNU General Public License for more details. # -# # -# You should have received a copy of the GNU General Public License # -# along with this program. If not, see <https://www.gnu.org/licenses/>. # -# # -# ========================================================================== # - - -import sys -import signal - -import psutil - - -# ===== -_PROCESS_NAME = "file-storage" - - -# ===== -def _log(msg: str) -> None: - print(msg, file=sys.stderr) - - -def _unlock() -> None: - # https://github.com/torvalds/linux/blob/3039fad/drivers/usb/gadget/function/f_mass_storage.c#L2924 - found = False - for proc in psutil.process_iter(): - attrs = proc.as_dict(attrs=["name", "exe", "pid"]) - if attrs.get("name") == _PROCESS_NAME and not attrs.get("exe"): - _log(f"Sending SIGUSR1 to MSD {_PROCESS_NAME!r} kernel thread with pid={attrs['pid']} ...") - try: - proc.send_signal(signal.SIGUSR1) - found = True - except Exception as err: - raise SystemExit(f"Can't send SIGUSR1 to MSD kernel thread with pid={attrs['pid']}: {err}") - if not found: - raise SystemExit(f"Can't find MSD kernel thread {_PROCESS_NAME!r}") - - -# ===== -def main() -> None: - if len(sys.argv) != 2 or sys.argv[1] != "unlock": - raise SystemExit(f"Usage: {sys.argv[0]} [unlock]") - _unlock() |